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[1/9] thermal/hwmon: Add error information printing for devm_thermal_add_hwmon_sysfs()

Message ID 20230318144412.75046-1-frank.li@vivo.com (mailing list archive)
State New, archived
Delegated to: Daniel Lezcano
Headers show
Series [1/9] thermal/hwmon: Add error information printing for devm_thermal_add_hwmon_sysfs() | expand

Commit Message

Yangtao Li March 18, 2023, 2:44 p.m. UTC 
Ensure that all error handling branches print error information. In this
way, when this function fails, the upper-layer functions can directly
return an error code without missing debugging information. Otherwise,
the error message will be printed redundantly or missing.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 drivers/thermal/thermal_hwmon.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index c59db17dddd6..ae87401b1a1d 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -271,11 +271,15 @@  int devm_thermal_add_hwmon_sysfs(struct device *dev, struct thermal_zone_device
 
 	ptr = devres_alloc(devm_thermal_hwmon_release, sizeof(*ptr),
 			   GFP_KERNEL);
-	if (!ptr)
+	if (!ptr) {
+		dev_err(dev, "Failed to allocate device resource data\n");
 		return -ENOMEM;
+	}
 
 	ret = thermal_add_hwmon_sysfs(tz);
 	if (ret) {
+		dev_err(dev, "Failed to add hwmon sysfs attributes\n");
+
 		devres_free(ptr);
 		return ret;
 	}